java五子棋

以下是一个简单的 Java 五子棋游戏的实现，希望能够帮助到你：

import java.util.Scanner;

public class GobangGame {
    private static final int BOARD_SIZE = 15;
    private String[][] board = new String[BOARD_SIZE][BOARD_SIZE];
    private String currentPlayer;
    private Scanner scanner;

    public GobangGame() {
        scanner = new Scanner(System.in);
        currentPlayer = "X";
        initializeBoard();
    }

    public void start() {
        printBoard();
        while (true) {
            System.out.println("It's " + currentPlayer + "'s turn.");
            int row = getRow();
            int col = getCol();
            if (isValidMove(row, col)) {
                board[row][col] = currentPlayer;
                printBoard();
                if (isWinningMove(row, col)) {
                    System.out.println("Congratulations, " + currentPlayer + " wins!");
                    break;
                }
                if (isBoardFull()) {
                    System.out.println("The game is a tie!");
                    break;
                }
                currentPlayer = currentPlayer.equals("X") ? "O" : "X";
            } else {
                System.out.println("Invalid move, please try again.");
            }
        }
        scanner.close();
    }

    private int getRow() {
        System.out.print("Enter row number (1-" + BOARD_SIZE + "): ");
        return scanner.nextInt() - 1;
    }

    private int getCol() {
        System.out.print("Enter column number (1-" + BOARD_SIZE + "): ");
        return scanner.nextInt() - 1;
    }

    private boolean isValidMove(int row, int col) {
        if (row < 0 || row >= BOARD_SIZE || col < 0 || col >= BOARD_SIZE) {
            return false;
        }
        return board[row][col].equals("-");
    }

    private boolean isWinningMove(int row, int col) {
        String target = board[row][col];

        // Check horizontal
        for (int i = Math.max(col - 4, 0); i <= Math.min(col, BOARD_SIZE - 5); i++) {
            if (board[row][i].equals(target) &&
                    board[row][i + 1].equals(target) &&
                    board[row][i + 2].equals(target) &&
                    board[row][i + 3].equals(target) &&
                    board[row][i + 4].equals(target)) {
                return true;
            }
        }

        // Check vertical
        for (int i = Math.max(row - 4, 0); i <= Math.min(row, BOARD_SIZE - 5); i++) {
            if (board[i][col].equals(target) &&
                    board[i + 1][col].equals(target) &&
                    board[i + 2][col].equals(target) &&
                    board[i + 3][col].equals(target) &&
                    board[i + 4][col].equals(target)) {
                return true;
            }
        }

        // Check diagonal (top-left to bottom-right)
        for (int i = Math.max(row - 4, 0), j = Math.max(col - 4, 0); i <= Math.min(row, BOARD_SIZE - 5) && j <= Math.min(col, BOARD_SIZE - 5); i++, j++) {
            if (board[i][j].equals(target) &&
                    board[i + 1][j + 1].equals(target) &&
                    board[i + 2][j + 2].equals(target) &&
                    board[i + 3][j + 3].equals(target) &&
                    board[i + 4][j + 4].equals(target)) {
                return true;
            }
        }

        // Check diagonal (bottom-left to top-right)
        for (int i = Math.min(row + 4, BOARD_SIZE - 1), j = Math.max(col - 4, 0); i >= Math.max(row, 4) && j <= Math.min(col, BOARD_SIZE - 5); i--, j++) {
            if (board[i][j].equals(target) &&
                    board[i - 1][j + 1].equals(target) &&
                    board[i - 2][j + 2].equals(target) &&
                    board[i - 3][j + 3].equals(target) &&
                    board[i - 4][j + 4].equals(target)) {
                return true;
            }
        }

        return false;
    }

    private boolean isBoardFull() {
        for (String[] row : board) {
            for (String cell : row) {
                if (cell.equals("-")) {
                    return false;
                }
            }
        }
        return true;
    }

    private void initializeBoard() {
        for (int i = 0; i < BOARD_SIZE; i++) {
            for (int j = 0; j < BOARD_SIZE; j++) {
                board[i][j] = "-";
            }
        }
    }

    private void printBoard() {
        System.out.print(" ");
        for (int i = 0; i < BOARD_SIZE; i++) {
            System.out.print(" " + (i + 1));
        }
        System.out.println();
        for (int i = 0; i < BOARD_SIZE; i++) {
            System.out.print(i + 1);
            for (int j = 0; j < BOARD_SIZE; j++) {
                System.out.print(" " + board[i][j]);
            }
            System.out.println();
        }
    }

    public static void main(String[] args) {
        GobangGame game = new GobangGame();
        game.start();
    }
}

实现的五子棋游戏比较简单，玩家可以通过控制台输入行列坐标来下棋，程序会检查输入是否合法，并判断胜负和平局。你可以根据需要进行修改和优化。